Rivanj岛的植物群,以及Rivanj岛和Sestrice岛的macchia和森林的植被

IF 0.4 4区 农林科学 Q4 FORESTRY
Marija Pandža, Milenko Milović, Vesna Krpina, Damir Tafra
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引用次数: 0

摘要

根据2019年和2020年的文献数据和实地研究,在Rivanj岛(3,615 km2)上,有346种维管原生和非原生分类群(309种,36亚种和品种)具有作物外生存能力。包括已栽培类群84个,共430个类群。栽培中的植物群不包括在植物区系分析中。在早期的研究中,共记录到45个分类群,其中385个分类群为首次收录。除植物区系清查外,还进行了分类、生态和植物地理分析。结果如表1-4和图2所示。植物区系组成以被子植物为主,其中双子叶植物(73.99%)明显多于单子叶植物(23.99%)。植物区系还包括两种蕨类植物和5种裸子植物。从分类群数量上看,最具代表性的科为禾科(13.01%)、菊科(11.85%)和豆科(8.96%)。植物地理特征以旱生植物(43.93%)和半隐生植物(24.28%)为主,地中海植物(42.77%)为主,反映了利凡尼岛的气候条件和地理位置。在植物区系中记录到4种特有植物和4种濒危分类群(极度濒危的石菖蒲、濒危的苔菖蒲和2种易危分类群:三叉戟兰和细枝兰),以及5种兰花。聚落的杂草和原始植被中有11个入侵类群(占岛上植物区系总数的3.18%)。2019年和2020年对Rivanj岛和Sestrice岛的machia和森林植被进行了调查。根据布朗-布兰凯法对相关数据进行了分析。对槲茶类和松茶类植物的30个相关数据进行了统计分析,并建立了它们的树形图。结果显示在表5-7中,按照关于植物社会学相关的经典陈述。通过对Erico arboreae-Arbutetum unedonis Allier et Lacoste 1980 ex Foggi in Foggi et Grigioni 1999, Myrto communis-Pistacietum lentisci (Molinier 1954) Rivas-Martínez 1975, Pistacio lentisci- juniperetum turbinatae trinajstic 1987 ex Asensi, Díez-Garretas &qu忧郁2007和Myrto communis-Quercetum ilicis (horvatiki 1963) trinajstiki(1976) 1985从槲皮茶类和Pistacio lentisci-Pinetum halepensis De Marco, Veri &1984年Caneva协会。Mala Sestrica岛上和Rivanj岛上较小地区的阿勒颇松树种植群落使当地的马奇亚和森林植被濒临灭绝。在Rivanj岛定居点的西北部,生长着茂密而无法通行的马奇亚。清理消防通道,禁止一切可能引起火灾的活动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The flora of the island of Rivanj and the vegetation of the macchia and forest of Rivanj and the Sestrice islets
According to literature data and field research conducted in 2019 and 2020, there are 346 vascular native and non-native taxa with the ability to survive outside crops (309 species, 36 subspecies and varieties) on the island of Rivanj (3,615 km2). Including 84 taxa in cultivation, we state that the total flora of Rivanj numbers 430 taxa. Those in cultivation are not included in the flora analysis. During earlier research, 45 taxa were recorded, while 385 taxa are listed for the first time in this work. In addition to the flora inventory, a taxonomic, ecological and phytogeographical analysis was performed. The results are presented in Tables 1–4 and Figure 2. The composition of the flora is dominated by angiosperms, in which dicotyledons (73.99%) are significantly more common than monocotyledons (23.99%). The flora also includes two ferns and 5 gymnosperms. By the number of taxa, the most represented families are Poaceae (13.01%), Asteraceae s.l. (11.85%) and Fabaceae (8.96%). The spectrum of life forms is dominated by therophytes (43.93%) and hemicryptophytes (24.28%), while plants of the Mediterranean floral element (42.77%) dominate in the phytogeographical analysis, which indicates the climatic conditions and geographical position of the island of Rivanj. Four endemics and four endangered taxa ( Lathyrus ochrus – critically endangered, Carex extensa – endangered and two vulnerable taxa: Orchis tridentata and Parapholis incurva ) were recorded in the flora, as well as five orchid. Eleven invasive taxa were recorded in the weed and ruderal vegetation of the settlement (3.18% of the total flora of the island). The investigation of the macchia and forest vegetation of the island of Rivanj and the islets of Sestrice was conducted in 2019 and 2020. The relevés were produced and analyzed according to the Braun-Blanquet method. Thirty relevés presenting the vegetation of the Quercetea ilicis and Pinetea halepensis classes were statistically analyzed and their dendrogram created. The results are shown in Tables 5–7 in accordance with the classic presentation regarding phytosociological relevés. Through the syntaxonomic analysis the Erico arboreae-Arbutetum unedonis Allier et Lacoste 1980 ex Foggi in Foggi et Grigioni 1999, Myrto communis-Pistacietum lentisci (Molinier 1954) Rivas-Martínez 1975, Pistacio lentisci-Juniperetum turbinatae Trinajstić 1987 ex Asensi, Díez-Garretas & Quézel 2007 and Myrto communis-Quercetum ilicis (Horvatić 1963) Trinajstić (1976) 1985 associations from the Quercetea ilicis class and the Pistacio lentisci-Pinetum halepensis De Marco, Veri & Caneva 1984 association. The autochthonous macchia and forest vegetation is mostly endangered by planted community of Aleppo pine on the islet of Mala Sestrica and on smaller areas on the island of Rivanj. North-west of the settlements on the Rivanj island a thick and impassable macchia grows. It is necessary to clear out the firefighting access paths and ban all activities that might cause fire.
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来源期刊
Sumarski List
Sumarski List FORESTRY-
CiteScore
0.90
自引率
20.00%
发文量
32
审稿时长
>12 weeks
期刊介绍: Forestry Journal publishes scientific and specialist articles from the fields of forestry, forestry-related scientific branches, nature protection and wildlife management.
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